Finding the Fourth Proportional to 995,404.70, 1,493,107.05 and 247,450.70
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Solution
The fourth proportional to 995,404.70, 1,493,107.05 and 247,450.70 is: 371,176.05
Step by Step Solution
- Step 1: Write the proportion equation
995,404.70 : 1,493,107.05 = 247,450.70 : x - Step 2: Convert to fraction form
995,404.70/1,493,107.05 = 247,450.70/x - Step 3: Cross multiply
995,404.70x = 1,493,107.05 × 247,450.70 - Step 4: Simplify right side
995,404.70x = 369,470,384,697.44 - Step 5: Solve for x
x = 369,470,384,697.44/995,404.70 - Step 6: Final answer
x = 371,176.05
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.